Peter Walker
Peter Walker is senior political correspondent with the Guardian and a well-known commentator and frequent broadcaster on active living and health, as well as on politics. As a journalist he has also worked for Agence France-Presse, CNN and others, reporting from places including China, Iraq and North Korea. He has written two previous books, including The Miracle Pill, which explained how everyday physical movement has disappeared from the modern world, and the health consequences this brings.